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Southeast Asia

$357+ Cheap flights from Portland (PDX) to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Portland to Southeast Asia

Keep the following information in mind while searching for Portland to Southeast Asia flight deals. Data was last updated September 15, 2025.

Round-trip from

$735
(Air Canada)

One-way from

$357
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$952
From Portland to Southeast Asia
Search Deals
One-way flight from Portland to Southeast Asia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($182 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Portland to Southeast Asia

Cheapest flights from Portland to Southeast Asia
Explore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:15 pmPDX - SIN
1 stop24h 45mAir Canada
Thu 11/68:50 amSIN - PDX
1 stop25h 40mAir Canada
Deal found 9/14$735
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:00 pmPDX - SIN
1 stop21h 00mAir Canada
Wed 11/511:10 pmSIN - PDX
2 stops31h 35mAir Canada
Deal found 9/13$742
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:00 amPDX - SIN
1 stop30h 05mAir Canada
Tue 9/306:15 amSIN - PDX
2 stops27h 31mAir Canada
Deal found 9/14$748
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:54 pmPDX - SIN
2 stops24h 06mMultiple Airlines
Thu 11/68:50 amSIN - PDX
1 stop16h 25mMultiple Airlines
Deal found 9/14$750
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:54 pmPDX - SIN
2 stops24h 06mMultiple Airlines
Wed 11/511:10 pmSIN - PDX
2 stops31h 35mMultiple Airlines
Deal found 9/13$757
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:15 amPDX - SIN
2 stops27h 35mMultiple Airlines
Tue 9/306:15 amSIN - PDX
2 stops23h 31mMultiple Airlines
Deal found 9/14$775
This Gurufare deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:30 amPDX - MNL
2 stops23h 35mMultiple Airlines
Wed 10/110:35 amMNL - PDX
2 stops23h 35mMultiple Airlines
Deal found 9/13$778
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:30 amPDX - MNL
2 stops32h 25mChina Airlines
Sat 11/83:35 amMNL - PDX
2 stops46h 05mChina Airlines
Deal found 9/13$784
This Korean Air deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:29 amPDX - SGN
2 stops25h 51mKorean Air
Fri 12/192:05 pmSGN - PDX
2 stops41h 20mKorean Air
Deal found 9/15$790
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:30 amPDX - MNL
2 stops24h 40mMultiple Airlines
Fri 9/194:50 pmMNL - PDX
2 stops31h 35mMultiple Airlines
Deal found 9/13$790
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:21 amPDX - MNL
2 stops27h 49mChina Airlines
Sun 10/124:00 amMNL - PDX
2 stops44h 30mChina Airlines
Deal found 9/15$791
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:38 pmPDX - SGN
3 stops36h 17mUnited Airlines
Tue 12/1611:05 pmSGN - PDX
2 stops40h 43mUnited Airlines
Deal found 9/15$793

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

Fly from

Portland

Fly to

Southeast Asia

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 10/30

3:15 pm-7:00 am

1 stop24h 45m

Singapore Changi

Thu 11/6

8:50 am-6:30 pm

1 stop25h 40m

$735

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 2/16

9:50 am-4:55 am

2 stops27h 05m

Singapore Changi

Sun 3/1

8:50 am-6:30 pm

1 stop25h 40m

$772

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 10/22

6:29 am-10:05 pm

2 stops25h 36m

Ho Chi Minh City

Thu 11/6

11:50 pm-12:49 pm

2 stops27h 59m

$790

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 11/26

6:29 am-11:20 pm

2 stops25h 51m

Ho Chi Minh City

Tue 12/16

2:05 pm-1:13 pm

2 stops38h 08m

$790

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 11/26

6:29 am-11:20 pm

2 stops25h 51m

Ho Chi Minh City

Fri 12/19

8:00 am-1:13 pm

2 stops20h 13m

$790

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Tue 10/28

3:54 pm-10:55 pm

3 stops41h 01m

Ho Chi Minh City

Tue 11/4

11:05 pm-8:38 pm

2 stops36h 33m

$793

PortlandManila

PDX - MNL

PDXMNL

Portland

Wed 11/19

7:20 am-2:30 am

2 stops27h 10m

Manila Ninoy Aquino Intl

Tue 12/2

4:55 pm-9:36 am

2 stops32h 41m

$793

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sun 11/16

7:38 pm-10:55 pm

3 stops36h 17m

Ho Chi Minh City

Sun 12/7

11:05 pm-10:52 pm

2 stops38h 47m

$793

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Fri 11/14

3:54 pm-10:55 pm

3 stops40h 01m

Ho Chi Minh City

Sun 12/7

11:05 pm-12:44 am

2 stops40h 39m

$793

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 11/26

7:38 pm-10:55 pm

3 stops36h 17m

Ho Chi Minh City

Tue 12/16

11:05 pm-12:48 am

2 stops40h 43m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 60 results
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Best time to book a flight from Portland to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Southeast Asia

What is the cheapest month to book a flight from Portland to Southeast Asia?

Currently, September is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $900). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $1,507). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to YJX?

Find hourly flight availability from Portland to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Portland to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown STARLUX Airlines, Korean Air, and United Airlines from Portland to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
211 reviews

Entertainment

8.9

Boarding

9.0

Crew

9.2

Food

8.8

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very good
211 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Entertainment

8.9

Boarding

9.0

Crew

9.2

Food

8.8

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Korean Air
8.4
Very good
1,139 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Entertainment

8.9

Boarding

9.0

Crew

9.2

Food

8.8

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
United Airlines
7.4
Good
8,929 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Entertainment

8.9

Boarding

9.0

Crew

9.2

Food

8.8

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Philippine Airlines
7.2
Good
911 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Entertainment

8.9

Boarding

9.0

Crew

9.2

Food

8.8

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Air Canada
7.1
Good
10,000 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Entertainment

8.9

Boarding

9.0

Crew

9.2

Food

8.8

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Related info for your journey

Find useful and relevant information for your journey from Portland to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Southeast Asia?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Southeast Asia.

  • How long is the flight from Portland to Southeast Asia?

    A quick flight from Portland to Southeast Asia can take about 24h 45m. Air Canada provides one of the quickest options available for as low as $735. The distance from Portland to Southeast Asia is about 8123 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Portland to Southeast Asia one-way?

    The cheapest airlines for a one-way flight from Portland to Southeast Asia are Philippine Airlines ($360), Air Canada ($400), and United Airlines ($443).

  • What are the most popular routes from Portland to Southeast Asia?

    While some choose either Portland - Manila Ninoy Aquino Intl or Portland - Ho Chi Minh City, Portland - Bangkok Suvarnabhumi is the most popular route from Portland to Southeast Asia.

  • Can I find deals for flights from Portland to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Portland to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Southeast Asia.

  • Can I find deals for business class flights from Portland to Southeast Asia?

    Yes. Cheapflights offers flight deals from Portland to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Southeast Asia?

    Currently, September is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $900). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $1,507). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Narita flights
Portland to Haneda flights
Portland to Suvarnabhumi flights
Portland to Manila flights
Portland to Ho Chi Minh City flights
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Portland to Taiwan Taoyuan Intl flights
Boise to Haneda flights
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Boise to Narita flights
Portland to New Delhi flights
Portland to Sung Shan flights
Portland to Bangalore flights
Boise to Suvarnabhumi flights
Portland to Mumbai flights
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Medford to Suvarnabhumi flights
Portland to Hongqiao Intl flights
Portland to Denpasar flights
Portland to Hyderabad flights
Portland to Itami flights
Eugene to Suvarnabhumi flights
Eugene to Narita flights
Eugene to Haneda flights
Portland to Pu Dong flights
Portland to Chiang Mai flights
Portland to Kuala Lumpur Intl flights
Portland to Angeles City flights
Portland to Dhaka flights
Portland to Colombo flights
Portland to Kobe flights
Boise to Manila flights
Portland to Fukuoka flights
Portland to Kathmandu flights
Portland to Singapore flights
Portland to Surabaya flights
Portland to Soekarno-Hatta Intl flights
Portland to Cebu City flights
Portland to Cochin flights
Portland to Chitose flights
Portland to Tbilisi flights
Boise to Hyderabad flights
Portland to Kumamoto flights
Portland to Chubu Centrair Intl flights
Portland to Okinawa flights
Medford to Narita flights
Redmond to Suvarnabhumi flights
Eugene to Taiwan Taoyuan Intl flights
Portland to Da Nang flights

Top 10 airlines flying from Portland to Southeast Asia

Discover the top 10 airlines that operate flights from Portland to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$1,136FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$694Average$1,014FlexibilityNo cancel feeOn-time67%
STARLUX AirlinesCheapest$743Average$954FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Singapore AirlinesCheapest$779Average$1,240FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$781Average$1,000FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$782Average$985FlexibilityNo cancel feeOn-time70%
ANACheapest$788Average$971FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$789Average$1,217FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$799Average$1,099FlexibilityNo cancel feeOn-time69%

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